11001112323131 has 4 divisors (see below), whose sum is σ = 12572699797872. Its totient is φ = 9429524848392.

The previous prime is 11001112323101. The next prime is 11001112323133. The reversal of 11001112323131 is 13132321110011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11001112323131 - 2¹⁰ = 11001112322107 is a prime.

It is a super-2 number, since 2×11001112323131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001112323133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785793737360 + ... + 785793737373.

It is an arithmetic number, because the mean of its divisors is an integer number (3143174949468).

Almost surely, 2^{11001112323131} is an apocalyptic number.

11001112323131 is a deficient number, since it is larger than the sum of its proper divisors (1571587474741).

11001112323131 is an equidigital number, since it uses as much as digits as its factorization.

11001112323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571587474740.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11001112323131 its reverse (13132321110011), we get a palindrome (24133433433142).

The spelling of 11001112323131 in words is "eleven trillion, one billion, one hundred twelve million, three hundred twenty-three thousand, one hundred thirty-one".